From e14ee486e671262d852b560cacf44ad4359d87a4 Mon Sep 17 00:00:00 2001
From: Olaoluwa Osuntokun <laolu32@gmail.com>
Date: Thu, 24 Aug 2017 14:18:27 -0700
Subject: [PATCH] gcs: fix constant overflow for 32-bit systems

---
 gcs/gcs.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/gcs/gcs.go b/gcs/gcs.go
index b186bec..2e32dcd 100644
--- a/gcs/gcs.go
+++ b/gcs/gcs.go
@@ -9,6 +9,7 @@ import (
 	"encoding/binary"
 	"fmt"
 	"io"
+	"math"
 	"sort"
 
 	"github.com/aead/siphash"
@@ -60,7 +61,7 @@ func BuildGCSFilter(P uint8, key [KeySize]byte, data [][]byte) (*Filter, error)
 	if len(data) == 0 {
 		return nil, ErrNoData
 	}
-	if len(data) > ((1 << 32) - 1) {
+	if len(data) > math.MaxInt32 {
 		return nil, ErrNTooBig
 	}
 	if P > 32 {